Question 17
Elements of which of the following group (s) of periodic table do not form hydrides?
(a) Groups 7,8,9 (b) Group 13
(c) Groups 15,16,17 (d) Group 14
(a) Groups 7,8,9
Dihydrogen forms molecular compounds with most of the p-block elements. Most familiar examples are CH4,NH3,H2O and HF. For conveniene hydrogen compounds of non-metals have also been considered as hydrides.